Function build_release_trend_report 

pub fn build_release_trend_report(
    candidates: &[ReleaseCandidateRiskSnapshot],
) -> ReleaseTrendReport

Build an ordered release-candidate trend report from candidate snapshots.

Example

use stygian_charon::{
    ReleaseCandidateRiskSnapshot, ReleaseRiskLevel, build_release_trend_report,
};

let trend = build_release_trend_report(&[
    ReleaseCandidateRiskSnapshot {
        candidate_id: "rc1".to_string(),
        risk_score: 0.20,
        risk_level: ReleaseRiskLevel::Low,
        requires_escalation: false,
        incident_count_7d: 0,
        observatory_regressions: 0,
    },
    ReleaseCandidateRiskSnapshot {
        candidate_id: "rc2".to_string(),
        risk_score: 0.35,
        risk_level: ReleaseRiskLevel::Guarded,
        requires_escalation: false,
        incident_count_7d: 1,
        observatory_regressions: 1,
    },
]);
assert_eq!(trend.points.len(), 2);